<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>购物车</title>
  <link rel="stylesheet" href="index.css" />
</head>
<body>

<div id="app">
  <table>
    <thead>
    <tr>
      <th></th>
      <th>书籍名称</th>
      <th>出版日期</th>
      <th>价格</th>
      <th>数量</th>
      <th>操作</th>
    </tr>
    </thead>
    <tbody v-if="books.length">
    <tr v-for="(item, index) in books">
      <td>{{item.id}}</td>
      <td>{{item.name}}</td>
      <td>{{item.date}}</td>
      <td>{{item.price | showPrice}}</td>
      <td>
        <button @click="decrement(index)" v-bind:disabled="item.count <= 1">-</button>
        {{item.count}}
        <button @click="increment(index)">+</button>
      </td>
      <td><button @click="remove(index)">移除</button></td>
    </tr>
    <tr>
      <td colspan="6">总价格：{{totalPrice | showPrice}}</td>
    </tr>
    </tbody>
    <tbody v-else>
    <tr>
      <td colspan="6">购物车为空</td>
    </tr>
    </tbody>
  </table>
</div>

<script src="../js/vue.js"></script>
<script src="index.js"></script>
</body>
</html>